Home / 2,232.32-3,078.72-1,435.77

Finding the Fourth Proportional to 2,232.32, 3,078.72 and 1,435.77

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Solution

The fourth proportional to 2,232.32, 3,078.72 and 1,435.77 is: 1,980.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.32 : 3,078.72 = 1,435.77 : x
  2. Step 2: Convert to fraction form
    2,232.32/3,078.72 = 1,435.77/x
  3. Step 3: Cross multiply
    2,232.32x = 3,078.72 × 1,435.77
  4. Step 4: Simplify right side
    2,232.32x = 4,420,333.81
  5. Step 5: Solve for x
    x = 4,420,333.81/2,232.32
  6. Step 6: Final answer
    x = 1,980.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.